Please help me with this question please.....

Answer:

The answer is c radio --> infrared --> ultraviolet --> gamma

Explanation:

I just did it

Answer:

C

Explanation:

just did it

Answer:

Decomposition

Explanation:

One reactant has formed two products

Answer:Chemical reaction

Explanation:

The main concept that must be applied to determine the coefficients (amount of each item) is that there must be equal amounts of each element on each side of the equation. We are not destroying or creating new atoms. In this case, the unbalanced reaction formula is:

B

r

2

+

K

I

=

K

B

r

+

I

2

There are a two problems we need to solve before it will be balanced:

There are two moles of Iodine atoms (

I

) on the right side of the equation, while there is only one mole on the right side.

There are two moles of bromine (

B

r

) atoms on the left side, while there is only one on the right.

Since there are two moles of bromine atoms on the left side, we need two moles on the right as well. We can do this by adding a coefficient of two to the

'

K

B

r

'

term in the equation. Our now modified equation looks like this:

B

r

2

+

K

I

=

2

K

B

r

+

I

2

There is one mole of Iodine atoms on the left, and two on the right. To fix this, we add a coefficient of two to the

'

K

I

'

term. The resulting equation is below.

B

r

2

+

2

K

I

=

2

K

B

r

+

I

2

Bonus step: We can also put ones in front of the coefficient-less species. This is like changing a phrase from "an apple" to "1 apple". It is the exact same thing, but makes it a little more clear sometimes. This would like like this:

1

B

r

2

+

2

K

I

=

2

K

B

r

+

1

I

2

Can you see that there is now an equal amount of each element on each side of the equation? That means that it is balanced.

Answer: its a reduction and an oxidation reaction

Explanation:

It was  important to decide between the lunar orbit Rendezvous method and the earth orbit rendezvous method near the beginning of project Apollo because Engineers could not decide which method to use until they had built and tested the lunar miss vehicle and is therefore denoted as option A.

This was a scientific exploration of the Moon in which instruments were deployed to measure the distance from the Moon to the Earth.

This was also set up in other to measure the Moon's seismic activity and involved the use of spacecraft but there was difficulty in selecting between the lunar orbit Rendezvous method and the earth orbit rendezvous method near the beginning of project Apollo.

This was because if the earth orbit rendezvous failed, the threatened astronauts could be brought back home easily while if a rendezvous around the moon failed, the astronauts would be too far away to be saved which is therefore the reason why option A was chosen as the correct choice.

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AnswU GOT THIS!!!!!!!!!!!!!

Explanation:

Answer:

protein??

Explanation:

im not sure, but I could be wrong!!

A transform boundary occurs when two tectonic plates move past one another.

Tectonic Plates Movement:

The tectonic plates can be thought like the pieces of the broken or cracked shells.  The heat from radioactive processes within the planet's interior causes the plates to move,  The heat from radioactive processes within the planet's interior causes the movement of the tectonic plates.

Convergent Boundary:

Convergent boundary is that area or is that boundary from which the plates moves towards each other.

Divergent Boundary:

Divergent boundary is that boundary or area from which the tectonic plates starts moving away from each other.

Transform boundary:

The transform boundary is that boundary which causes a fault or error between the tectonic plates.

So we can conclude that a transform boundary occurs when two tectonic plates move past one another.

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Answer:

(A)

Explanation:

It decreases cuz when they start climbing a mountain there air pressure is getting low and so is their blood. The higher they go the more it decreases. Hope this helps:)!

Answer:

so since the model atom was changed as new evidence, and the plum pudding model was a ball of positive charge, the alpha particle scattering which broke up the atom

Answer:

got to be salt in warm water as for the bread it produces mold and also bleach is a chemical

Answer: According to the electromagnetic theory of the 19th century,

it had become clear that electricity and magnetism were related, and their theories were unified: wherever charges are in motion electric current results, and magnetism is due to electric current! Hope this Helps!

The two senses which is require in the chemical compounds be dissolved in solution before they can act as stimulants for these senses are smell and odour.

Stimulant for smell include molecules which are dissolved in the air gas easily, can be easily detected by the odour recepters which are located on the nostrils upon binding. The smell neurons transfer this information to the smell bulb which are located in the forebrain all the olfactory process occur.

The sensation of taste occur when our food is dissolved in the saliva secreted by the salivary gland located below the tongue. This food dissolved in saliva binds with the recepters of the tongue which are located on the taste buds of papillae.

Thus, we concluded that the two senses which is require in the chemical compounds be dissolved in solution before they can act as stimulants for these senses are smell and odour.

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lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (FR) all have 7 energy levels

sorry if im wrong im kinda fried RN

Answer:

The answer is francium (Fr)

Explanation:

I just took the test

The given question is incomplete. The complete question is :

Welding is an industrial process that is used to join pieces of metal. A certain mixture of gases used in welding is composed of carbon dioxide and argon. The partial pressure of carbon dioxide is 0.080 atm and the partial pressure of argon is 0.24 atm. What is the total pressure of the mixture.

Answer:  0.32 atm

Explanation:

According to Dalton's law, the total pressure is the sum of individual pressures.

[tex]p_{total}=p_{CO_2}+p_{Ar}[/tex]

Given : [tex]p_{total}[/tex] =total pressure of gases = ?

[tex]p_{CO_2}[/tex] = partial pressure of carbon dioxide = 0.080 atm

[tex]p_{Ar}[/tex] = partial pressure of argon = 0.24 atm    

putting in the values we get:

[tex]p_{total}=0.080atm+0.24atm[/tex]  

[tex]p_{total}=0.32atm[/tex]

Thus the total pressure of the gases is 0.32 atm

Florine has a smaller atomic radius than oxygen

Atomic radius or Atomic Radii is the total distance from the nucleus of an atom to the outermost orbital of its electron and in the given element oxygen and Florine, Florine has the smallest atomic radius because in moving from left to right across a period, the atomic radius decreases as the effective nuclear charge increases and because of greater positive charge of the nucleus, pulling electron and electron shell in closer. therefore, the Florine has smallest atomic radius than oxygen atomic radii of oxygen is 48pm.

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Answer: its D

Explanation: i just got the question right

In scientific notation, often known as power-of-10 notation, extremely big and small numbers are written. Scientists write very large numbers by express the numbers using scientific notation.

Numbers that are either too large or too little to be readily stated in decimal form can be expressed using scientific notation. It is also known as standard form in the UK and scientific form, standard index form, and standard form.

The main goal of scientific notation is to simplify computations using numbers that are abnormally big or tiny. The following examples demonstrate how all the digits in a number in scientific notation are relevant, since zeros are no longer utilized to set the decimal point.

When working with very big or very small numbers, scientists, mathematicians, and engineers employ scientific notation. Large and tiny numbers can be represented in a form that is simpler to read using exponential notation.

Thus, option D is correct.

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Answer: Diagram 4

Explanation: Diagram 1 represents a state in which particles are closely packed , thus cannot be a representation of gas.

Diagram 2 represents  a state in which particles are loosely packed , thus can be a representation of gas.

Diagram 3 represents  a state in which particles are closely packed , thus can be a representation of a solid.

Diagram 4 represents  a state in which particles are loosely packed , thus can be a representation of gas. It also represents the particles in ionized form. Particles are existing as ions bearing positive and negative charges.

Explanation:

Answer:

D

Explanation:

Answer:

The type of bonding that occurs between metals and non metals is ionic bonding,so the type of bond between Na and Br is an ionic bond

Answer:

Mass = 99.875 g

Explanation:

Given data:

Number of atoms of Ar = 1.506× 10²⁴

Mass in gram = ?

Solution:

Avogadro number:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

1.506× 10²⁴ atoms  × 1 mol / 6.022 × 10²³ atoms

0.25× 10¹ mol

2.5 mol

Mass in gram:

Mass = number of moles × molar mass

Mass = 2.5 mol × 39.95 g/mol

Mass = 99.875 g

The atom's nucleus is composed of neutrons and protons. BOTH: In the nucleus. Contribute to the mass of the atom. Mass equal 1 amu. PROTON. Number is atomic number of element. Determine the identity of the atom. NEUTRON: Neutral charge.

Subatomic particles are matter structures that are smaller in size than an atom. Hence, subatomic particles compose the atoms, determining their properties.

Many subatomic particles are unstable and remain unknown. However, three of them are the most stable ones,

Subatomic particles can be either,

Neutrons and protons compose the nucleus of the atoms, while electrons orbit around them.

These particles differ in their electric charge and their mass.

The number of protons in the atom is the atomic number and determines the atom's identity.

The massic number is the addition of the number of protons and the number of neutrons.

Atomic mass is composed of neutrons and protons mass. It is not the same as the massic number or the atomic weight.

When protons, neutrons, and electrons get together to form an atom, they lose part of their mass as energy. This is why the atomic weight is slightly inferior to the sum of masses.

1) BOTH

In the nucleus

Contribute to the mass of the atom

Mass equal 1 amu (1.67377 x 10⁻²⁷ kg or 1.67377 x 10⁻²⁴ g)

2) PROTON

Number is atomic number of element

Determine the identity of the atom

3) NEUTRON

Neutral charge

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Answer:

Cuando uno monta en bicicleta, el cuerpo convierte la energía química de los músculos para producir energía mecánica.

Explanation:

Answer:

Answer is D. Just took the quiz on A P E X

Explanation:

If oxidation states change, it is a redox reaction. Hence, option D is correct.

Oxidation-reduction reactions are balanced by two half overall chemical equations into an oxidation equation and a reduction equation.

In redox reactions, the half-reactions of oxidation and reduction always occur simultaneously in pairs.

The oxidation half-reaction involved the loss of electrons from a reduced substance (A) to form an oxidized substance (A⁺):

A ⇒ A⁺ + e-

In contraposition, during the reduction half-reaction the oxidized substance (B⁺) gains electrons to form the reduced substance (B):

B⁺ + e- ⇒ B

The overall redox reaction is obtained by the addition of the two half-reactions:

A ⇒ A⁺ + e-

B⁺ + e- ⇒ B

A + B⁺⇒ A⁺ + B

The electrons gained by B are provided by A, which lost the same number of electrons. Thus, the oxidation/reduction reactions are paired.

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Answer:

The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).

Explanation:

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By definition science is, the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.

Answer:

Plate tectonics...Plate comes first

Tectonic Plates... Tectonic comes first...

Answer:

plate tectonics is a scientific theory that describes the large-scale motion of Earth's lithosphere

tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust

Explanation:

Answer:

C. Magnesium

Explanation:

Zinc sulphate (ZnSO4) will react fastest with Magnesium (Mg) because magnesium is more reactive than Zinc and other given elements.

Zinc sulphate (ZnSO4) reacts with Magnesium (Mg) and undergo displacement reaction. Zinc is displaced by magnesium and form Magnesium Suphate (ZnSO4).

                 ZnSO4 + Mg => MgSO4 + Zn